upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/include/hexdump.h

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2018 Synopsys, Inc. All rights reserved.
*
*/
#ifndef HEXDUMP_H
#define HEXDUMP_H
#include <linux/ctype.h>
#include <linux/types.h>
enum {
DUMP_PREFIX_NONE,
DUMP_PREFIX_ADDRESS,
DUMP_PREFIX_OFFSET
};
extern const char hex_asc[];
#define hex_asc_lo(x) hex_asc[((x) & 0x0f)]
#define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4]
static inline char *hex_byte_pack(char *buf, u8 byte)
{
*buf++ = hex_asc_hi(byte);
*buf++ = hex_asc_lo(byte);
return buf;
}
/**
* hex_to_bin - convert a hex digit to its real value
* @ch: ascii character represents hex digit
*
* hex_to_bin() converts one hex digit to its actual value or -1 in case of bad
* input.
*/
static inline int hex_to_bin(char ch)
{
if ((ch >= '0') && (ch <= '9'))
return ch - '0';
ch = tolower(ch);
if ((ch >= 'a') && (ch <= 'f'))
return ch - 'a' + 10;
return -1;
}
/**
* hex2bin - convert an ascii hexadecimal string to its binary representation
* @dst: binary result
* @src: ascii hexadecimal string
* @count: result length
*
* Return 0 on success, -1 in case of bad input.
*/
static inline int hex2bin(u8 *dst, const char *src, size_t count)
{
while (count--) {
int hi = hex_to_bin(*src++);
int lo = hex_to_bin(*src++);
if ((hi < 0) || (lo < 0))
return -1;
*dst++ = (hi << 4) | lo;
}
return 0;
}
/**
* bin2hex - convert binary data to an ascii hexadecimal string
* @dst: ascii hexadecimal result
* @src: binary data
* @count: binary data length
*/
static inline char *bin2hex(char *dst, const void *src, size_t count)
{
const unsigned char *_src = src;
while (count--)
dst = hex_byte_pack(dst, *_src++);
return dst;
}
int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize,
char *linebuf, size_t linebuflen, bool ascii);
void print_hex_dump(const char *prefix_str, int prefix_type, int rowsize,
int groupsize, const void *buf, size_t len, bool ascii);
void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
const void *buf, size_t len);
#endif /* HEXDUMP_H */